/* ============================================================
   中传玺华 Centriva · 站点统一样式表
   风格参照 Apple 中国官网：深色沉浸 · 大留白 · 无衬线大标题
   ============================================================ */

/* ---------- 设计令牌 ---------- */
:root{
  /* 品牌色 */
  --navy:#1F4E79;
  --navy-deep:#12304C;
  --navy-ink:#0A1A28;
  --gold:#B8860B;
  --gold-light:#D4AF37;

  /* 中性色（浅色区） */
  --bg:#FFFFFF;
  --bg-soft:#F5F5F7;
  --bg-mute:#EDEEF2;
  --line:#D2D2D7;
  --line-soft:#E8E8ED;

  /* 文本 */
  --ink:#1D1D1F;
  --ink-sub:#6E6E73;
  --ink-faint:#86868B;

  /* 深色区 */
  --dark:#000000;
  --dark-2:#0B0B0F;
  --dark-3:#16161A;
  --dark-line:rgba(255,255,255,.14);
  --ink-light:#F5F5F7;
  --ink-light-sub:#A1A1A6;

  /* 功能色 */
  --link:#0066CC;
  --link-light:#2997FF;
  --ok:#1E8E5A;
  --warn:#C0392B;

  /* 排版 */
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-en:"SF Pro Display","SF Pro Text",-apple-system,BlinkMacSystemFont,"Inter","Helvetica Neue",Arial,sans-serif;
  --font:var(--font-en),var(--font-cn);

  /* 尺寸 */
  --nav-h:52px;
  --radius:18px;
  --radius-sm:12px;
  --pill:980px;
  --maxw:1180px;
  --sec-y:120px;

  /* 动效 */
  --ease:cubic-bezier(.28,.11,.32,1);
}

/* ---------- 基础重置 ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  font-family:var(--font-cn);
  background:var(--bg);
  color:var(--ink);
  font-size:17px;
  line-height:1.47;
  letter-spacing:-.022em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{list-style:none;}

/* ---------- 布局 ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px;}
.wrap-narrow{max-width:860px;margin:0 auto;padding:0 22px;}
.sec{padding:var(--sec-y) 0;}
.sec-sm{padding:72px 0;}
.sec-soft{background:var(--bg-soft);}
.sec-dark{background:var(--dark);color:var(--ink-light);}
.sec-dark-2{background:var(--dark-2);color:var(--ink-light);}
.center{text-align:center;}

/* ---------- 排版 ---------- */
.eyebrow{
  font-size:14px;font-weight:600;letter-spacing:.06em;
  color:var(--gold);text-transform:uppercase;margin-bottom:14px;
}
.sec-dark .eyebrow,.sec-dark-2 .eyebrow{color:var(--gold-light);}
h1,.h1{
  font-size:clamp(40px,6vw,80px);font-weight:600;line-height:1.05;
  letter-spacing:-.015em;
}
h2,.h2{
  font-size:clamp(30px,4vw,52px);font-weight:600;line-height:1.1;
  letter-spacing:-.012em;margin-bottom:18px;
}
h3,.h3{font-size:clamp(21px,2.2vw,28px);font-weight:600;line-height:1.2;letter-spacing:-.01em;margin-bottom:12px;}
h4,.h4{font-size:19px;font-weight:600;line-height:1.3;margin-bottom:8px;}
.lead{font-size:clamp(18px,2vw,24px);line-height:1.45;color:var(--ink-sub);letter-spacing:-.01em;}
.sec-dark .lead,.sec-dark-2 .lead{color:var(--ink-light-sub);}
.muted{color:var(--ink-sub);font-size:15px;}
.sec-dark .muted,.sec-dark-2 .muted{color:var(--ink-light-sub);}
strong,b{font-weight:600;}
.hl{color:var(--gold);}
.sec-dark .hl,.sec-dark-2 .hl{color:var(--gold-light);}

.sec-head{max-width:820px;margin-bottom:56px;}
.sec-head.center{margin-left:auto;margin-right:auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--pill);border:1px solid transparent;
  font-size:16px;font-weight:500;cursor:pointer;white-space:nowrap;
  transition:all .28s var(--ease);
}
.btn-primary{background:var(--navy);color:#fff;}
.btn-primary:hover{background:var(--navy-deep);transform:translateY(-1px);}
.btn-gold{background:var(--gold);color:#fff;}
.btn-gold:hover{background:#9C7009;transform:translateY(-1px);}
.btn-ghost{border-color:var(--navy);color:var(--navy);background:transparent;}
.btn-ghost:hover{background:var(--navy);color:#fff;}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#000;}
.btn-outline-light{border-color:rgba(255,255,255,.5);color:#fff;background:transparent;}
.btn-outline-light:hover{background:#fff;color:#000;}
.btn-sm{padding:8px 18px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{color:var(--link);font-size:16px;font-weight:500;display:inline-flex;align-items:center;gap:6px;}
.link-arrow::after{content:"›";font-size:20px;line-height:1;transition:transform .25s var(--ease);}
.link-arrow:hover::after{transform:translateX(4px);}
.sec-dark .link-arrow,.sec-dark-2 .link-arrow{color:var(--link-light);}

/* ---------- 导航 ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:900;height:var(--nav-h);
  background:rgba(0,0,0,.82);backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .3s var(--ease);
}
.nav-inner{
  max-width:1024px;margin:0 auto;height:100%;padding:0 22px;
  display:flex;align-items:center;gap:28px;
}
.nav-logo{
  display:flex;align-items:center;gap:9px;color:#F5F5F7;
  font-size:16px;font-weight:600;letter-spacing:.02em;flex-shrink:0;
}
.nav-logo .mark{
  width:26px;height:26px;border-radius:7px;flex-shrink:0;
  background:linear-gradient(140deg,var(--navy) 0%,var(--gold) 130%);
  display:grid;place-items:center;font-size:13px;color:#fff;font-weight:700;
}
.nav-logo .en{font-size:11px;color:var(--ink-light-sub);font-weight:400;letter-spacing:.08em;}
.nav-logo img{height:30px;width:auto;display:block;}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-menu a{
  color:rgba(245,245,247,.82);font-size:13.5px;padding:6px 12px;border-radius:8px;
  transition:color .2s,background .2s;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-menu a.on{color:#fff;font-weight:500;}
.nav-cta{
  padding:7px 16px;border-radius:var(--pill);background:var(--gold);color:#fff;
  font-size:13.5px;font-weight:500;transition:background .25s;
}
.nav-cta:hover{background:#9C7009;}
.nav-toggle{
  display:none;background:none;border:0;cursor:pointer;padding:8px;
}
.nav-toggle span{display:block;width:20px;height:1.5px;background:#F5F5F7;margin:4px 0;transition:.25s;}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:92vh;padding:calc(var(--nav-h) + 90px) 0 80px;
  background:
    radial-gradient(1200px 620px at 78% 8%,rgba(31,78,121,.55) 0%,transparent 62%),
    radial-gradient(900px 520px at 12% 92%,rgba(184,134,11,.20) 0%,transparent 60%),
    linear-gradient(180deg,#000 0%,#06121D 55%,#0A1A28 100%);
  color:#F5F5F7;display:flex;align-items:center;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-140px;width:520px;height:520px;
  border-radius:50%;border:1px solid rgba(212,175,55,.16);pointer-events:none;
}
.hero::before{
  content:"";position:absolute;right:40px;bottom:-220px;width:380px;height:380px;
  border-radius:50%;border:1px solid rgba(212,175,55,.10);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:1024px;margin:0 auto;padding:0 22px;width:100%;}
.hero h1{margin-bottom:24px;}
.hero h1 em{font-style:normal;background:linear-gradient(96deg,#D4AF37 0%,#F0D98A 55%,#D4AF37 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.hero .lead{max-width:700px;margin-bottom:34px;color:rgba(245,245,247,.72);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:64px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);overflow:hidden;
}
.hero-stat{background:rgba(10,26,40,.62);padding:24px 20px;}
.hero-stat b{display:block;font-size:30px;font-weight:600;color:var(--gold-light);letter-spacing:-.02em;}
.hero-stat b i{font-style:normal;font-size:16px;margin-left:2px;}
.hero-stat span{font-size:13px;color:rgba(245,245,247,.66);}
.scroll-hint{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  font-size:11px;letter-spacing:.24em;color:rgba(245,245,247,.42);text-transform:uppercase;
}

/* ---------- 卡片 ---------- */
.grid{display:grid;gap:22px;}
.g2{grid-template-columns:repeat(2,1fr);}
.g3{grid-template-columns:repeat(3,1fr);}
.g4{grid-template-columns:repeat(4,1fr);}
.card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:32px;transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(0,0,0,.08);}
.card-soft{background:var(--bg-soft);border-color:transparent;}
.card-dark{background:var(--dark-3);border-color:var(--dark-line);color:var(--ink-light);}
.card-dark .muted{color:var(--ink-light-sub);}
.card-navy{background:linear-gradient(150deg,var(--navy-deep) 0%,var(--navy) 100%);color:#fff;border-color:transparent;}
.card-navy .muted{color:rgba(255,255,255,.72);}
.card-gold{background:linear-gradient(150deg,#9C7009 0%,var(--gold) 100%);color:#fff;border-color:transparent;}
.card-num{
  display:inline-grid;place-items:center;width:44px;height:44px;border-radius:12px;
  background:var(--bg-mute);color:var(--navy);font-weight:700;font-size:16px;margin-bottom:18px;
}
.card-dark .card-num{background:rgba(255,255,255,.08);color:var(--gold-light);}
.card-navy .card-num{background:rgba(255,255,255,.14);color:#fff;}

/* ---------- 特色大区块（Apple 式整屏卡） ---------- */
.feature{
  border-radius:26px;padding:72px 56px;position:relative;overflow:hidden;
}
.feature-dark{
  background:
    radial-gradient(900px 420px at 82% 0%,rgba(31,78,121,.6) 0%,transparent 60%),
    linear-gradient(180deg,#0B0B0F 0%,#06121D 100%);
  color:var(--ink-light);
}
.feature-light{background:var(--bg-soft);}
.feature h2{font-size:clamp(28px,3.4vw,44px);}
.feature-kicker{
  font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--gold);margin-bottom:16px;
}
.feature-dark .feature-kicker{color:var(--gold-light);}
.feature-list{display:grid;gap:14px;margin-top:32px;}
.feature-list li{
  display:flex;gap:12px;font-size:15.5px;line-height:1.6;
  padding-bottom:14px;border-bottom:1px solid var(--line-soft);
}
.feature-dark .feature-list li{border-bottom-color:var(--dark-line);}
.feature-list li:last-child{border-bottom:0;padding-bottom:0;}
.feature-list li b{color:var(--navy);flex-shrink:0;min-width:96px;}
.feature-dark .feature-list li b{color:var(--gold-light);}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius);border:1px solid var(--line-soft);}
table.tb{width:100%;border-collapse:collapse;background:#fff;min-width:640px;}
table.tb th,table.tb td{
  padding:16px 20px;text-align:left;font-size:15px;
  border-bottom:1px solid var(--line-soft);vertical-align:top;
}
table.tb thead th{
  background:var(--navy);color:#fff;font-weight:600;font-size:15px;
  letter-spacing:.01em;white-space:nowrap;
}
table.tb tbody tr:nth-child(even){background:#FAFBFC;}
table.tb tbody tr:last-child td{border-bottom:0;}
table.tb td:first-child{font-weight:500;color:var(--ink);white-space:nowrap;}
table.tb .yes{color:var(--ok);font-weight:600;}
table.tb .no{color:var(--ink-faint);}

/* ---------- 步骤 / 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:0;}
.step{
  position:relative;padding:26px 22px;border-left:2px solid var(--line-soft);
}
.step:first-child{border-left-color:var(--navy);}
.step-no{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--gold);margin-bottom:10px;}
.step h4{margin-bottom:6px;color:var(--navy);}
.step p{font-size:14px;color:var(--ink-sub);line-height:1.6;}

/* ---------- 标签墙 ---------- */
.tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  padding:9px 18px;border-radius:var(--pill);background:var(--bg-soft);
  font-size:14px;color:var(--ink-sub);border:1px solid transparent;
  transition:.25s var(--ease);
}
.tag:hover{background:#fff;border-color:var(--navy);color:var(--navy);}
.sec-dark .tag{background:rgba(255,255,255,.07);color:var(--ink-light-sub);}
.sec-dark .tag:hover{border-color:var(--gold);color:var(--gold-light);}
.tag-gold{background:rgba(184,134,11,.10);color:var(--gold);}

/* ---------- 指标块 ---------- */
.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;}
.metric{
  padding:28px 22px;border-radius:var(--radius);background:var(--bg-soft);text-align:center;
}
.sec-dark .metric{background:rgba(255,255,255,.05);}
.metric b{display:block;font-size:36px;font-weight:600;color:var(--navy);letter-spacing:-.02em;line-height:1.1;}
.sec-dark .metric b{color:var(--gold-light);}
.metric b i{font-style:normal;font-size:17px;margin-left:1px;}
.metric span{display:block;font-size:13.5px;color:var(--ink-sub);margin-top:8px;}
.sec-dark .metric span{color:var(--ink-light-sub);}

/* ---------- 价格卡 ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch;}
.plan{
  border:1px solid var(--line-soft);border-radius:var(--radius);padding:34px 30px;
  background:#fff;display:flex;flex-direction:column;position:relative;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.plan:hover{transform:translateY(-6px);box-shadow:0 22px 52px rgba(31,78,121,.14);}
.plan.featured{border:2px solid var(--navy);box-shadow:0 16px 44px rgba(31,78,121,.12);}
.plan-badge{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--gold);color:#fff;font-size:12px;font-weight:600;
  padding:5px 16px;border-radius:var(--pill);letter-spacing:.04em;white-space:nowrap;
}
.plan h3{color:var(--navy);margin-bottom:4px;}
.plan .audience{font-size:13.5px;color:var(--ink-sub);min-height:38px;margin-bottom:18px;}
.plan .price{font-size:40px;font-weight:600;color:var(--ink);letter-spacing:-.03em;line-height:1;}
.plan .price i{font-style:normal;font-size:17px;color:var(--ink-sub);margin-left:4px;font-weight:400;}
.plan .price s{font-size:15px;color:var(--ink-faint);margin-left:8px;font-weight:400;}
.plan ul{margin:24px 0 28px;display:grid;gap:11px;}
.plan ul li{
  font-size:14.5px;color:var(--ink-sub);padding-left:20px;position:relative;line-height:1.55;
}
.plan ul li::before{
  content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:50%;
  background:var(--navy);opacity:.5;
}
.plan.featured ul li::before{background:var(--gold);opacity:1;}
.plan .btn{margin-top:auto;}

/* ---------- 案例卡 ---------- */
.case{
  border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden;
  background:#fff;display:flex;flex-direction:column;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.case:hover{transform:translateY(-5px);box-shadow:0 20px 48px rgba(0,0,0,.09);}
.case-top{padding:30px 30px 22px;background:var(--bg-soft);}
.case-top .ind{
  display:inline-block;font-size:12px;letter-spacing:.06em;color:var(--gold);
  border:1px solid rgba(184,134,11,.3);border-radius:var(--pill);padding:3px 12px;margin-bottom:14px;
}
.case-top h3{color:var(--navy);margin-bottom:2px;}
.case-body{padding:26px 30px 30px;display:flex;flex-direction:column;gap:16px;flex:1;}
.case-row{font-size:14.5px;line-height:1.62;color:var(--ink-sub);}
.case-row b{color:var(--ink);display:inline-block;min-width:60px;}
.case-results{display:flex;gap:14px;flex-wrap:wrap;margin-top:auto;padding-top:18px;border-top:1px solid var(--line-soft);}
.case-results div{min-width:100px;}
.case-results b{display:block;font-size:24px;color:var(--navy);font-weight:600;letter-spacing:-.02em;}
.case-results span{font-size:12.5px;color:var(--ink-sub);}

/* ---------- 时间轴 ---------- */
.timeline{display:grid;gap:0;margin-top:8px;}
.tl-item{display:grid;grid-template-columns:150px 1fr;gap:26px;padding:24px 0;border-bottom:1px solid var(--line-soft);}
.tl-item:last-child{border-bottom:0;}
.tl-year{font-size:17px;font-weight:600;color:var(--gold);letter-spacing:.02em;}
.tl-body h4{color:var(--navy);}
.tl-body p{font-size:14.5px;color:var(--ink-sub);line-height:1.62;}

/* ---------- 新闻列表 ---------- */
.news-filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.news-list{display:grid;gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden;}
.news-item{
  background:#fff;padding:26px 30px;display:grid;grid-template-columns:130px 1fr auto;gap:24px;
  align-items:center;transition:background .25s var(--ease);
}
.news-item:hover{background:var(--bg-soft);}
.news-cat{font-size:12.5px;letter-spacing:.05em;color:var(--gold);font-weight:600;}
.news-item h4{margin-bottom:5px;color:var(--ink);}
.news-item p{font-size:14px;color:var(--ink-sub);line-height:1.55;}
.news-date{font-size:13px;color:var(--ink-faint);white-space:nowrap;}

/* ---------- 表单 ---------- */
.form{display:grid;gap:18px;}
.field{display:grid;gap:7px;}
.field label{font-size:13.5px;font-weight:500;color:var(--ink-sub);}
.field input,.field select,.field textarea{
  width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;font-size:15px;transition:border-color .25s,box-shadow .25s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--navy);box-shadow:0 0 0 3px rgba(31,78,121,.12);
}
.field textarea{resize:vertical;min-height:110px;line-height:1.6;}
.form-note{font-size:13px;color:var(--ink-faint);line-height:1.6;}
.form-msg{padding:13px 18px;border-radius:var(--radius-sm);font-size:14.5px;display:none;}
.form-msg.ok{display:block;background:rgba(30,142,90,.10);color:var(--ok);border:1px solid rgba(30,142,90,.25);}
.form-msg.err{display:block;background:rgba(192,57,43,.08);color:var(--warn);border:1px solid rgba(192,57,43,.22);}

/* ---------- 底部 ---------- */
.footer{background:var(--bg-soft);color:var(--ink-sub);font-size:13px;padding:56px 0 40px;border-top:1px solid var(--line-soft);}
.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:36px;margin-bottom:38px;}
.footer h5{font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:14px;letter-spacing:.01em;}
.footer ul{display:grid;gap:10px;}
.footer a:hover{color:var(--navy);text-decoration:underline;}
.footer-brand .nav-logo{color:var(--ink);margin-bottom:14px;}
.footer-brand .nav-logo img{height:36px;}
.footer-brand .nav-logo .en{color:var(--ink-faint);}
.footer-brand p{line-height:1.7;font-size:13px;max-width:300px;}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:24px;display:flex;flex-wrap:wrap;
  gap:14px;justify-content:space-between;font-size:12.5px;color:var(--ink-faint);
}
.footer-tagline{color:var(--gold);font-weight:500;}

/* ---------- 浮动咨询 ---------- */
.float-cta{
  position:fixed;right:24px;bottom:26px;z-index:880;
  display:flex;flex-direction:column;gap:10px;align-items:flex-end;
}
.float-btn{
  display:inline-flex;align-items:center;gap:9px;padding:13px 22px;border-radius:var(--pill);
  background:var(--navy);color:#fff;font-size:14.5px;font-weight:500;cursor:pointer;
  box-shadow:0 12px 30px rgba(31,78,121,.28);transition:.3s var(--ease);border:0;
}
.float-btn:hover{background:var(--navy-deep);transform:translateY(-2px);}
.float-btn.gold{background:var(--gold);box-shadow:0 12px 30px rgba(184,134,11,.28);}
.float-btn.gold:hover{background:#9C7009;}

/* 二维码弹层 */
.qr-modal,.modal-mask{
  position:fixed;inset:0;z-index:990;background:rgba(0,0,0,.62);
  backdrop-filter:blur(6px);display:none;align-items:center;justify-content:center;padding:24px;
}
.qr-modal.on,.modal-mask.on{display:flex;}
.qr-card{
  background:#fff;border-radius:20px;padding:36px;text-align:center;max-width:360px;width:100%;
  animation:pop .34s var(--ease);
}
@keyframes pop{from{opacity:0;transform:scale(.94) translateY(12px);}to{opacity:1;transform:none;}}
.qr-card h3{color:var(--navy);margin-bottom:8px;}
.qr-card p{font-size:13.5px;color:var(--ink-sub);margin-bottom:20px;}
.qr-box{
  width:200px;height:200px;margin:0 auto 18px;border:1px solid var(--line-soft);
  border-radius:14px;padding:12px;background:#fff;display:grid;place-items:center;
}
.qr-box img{width:100%;border-radius:6px;}
.qr-fallback{
  width:100%;height:100%;border-radius:10px;display:grid;place-items:center;gap:6px;
  background:var(--bg-soft);color:var(--ink-sub);font-size:12.5px;text-align:center;padding:12px;
}

/* ---------- 滚动动效 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ---------- 页面头（内页） ---------- */
.page-head{
  padding:calc(var(--nav-h) + 88px) 0 72px;
  background:
    radial-gradient(900px 420px at 80% 0%,rgba(31,78,121,.5) 0%,transparent 62%),
    linear-gradient(180deg,#000 0%,#0A1A28 100%);
  color:var(--ink-light);
}
.page-head .eyebrow{color:var(--gold-light);}
.page-head h1{font-size:clamp(34px,4.6vw,60px);margin-bottom:18px;}
.page-head .lead{max-width:760px;color:rgba(245,245,247,.7);}
.crumb{font-size:13px;color:rgba(245,245,247,.5);margin-bottom:18px;}
.crumb a:hover{color:#fff;}

/* ---------- 引用块 ---------- */
.quote{
  border-left:3px solid var(--gold);padding:6px 0 6px 24px;margin:32px 0;
  font-size:clamp(17px,2vw,21px);line-height:1.6;color:var(--navy);font-weight:500;
}
.sec-dark .quote{color:var(--ink-light);}
.note{
  font-size:13px;color:var(--ink-faint);line-height:1.7;margin-top:14px;
  padding-top:12px;border-top:1px dashed var(--line);
}

/* ---------- 素材占位（图片位） ---------- */
.ph{
  border:1px dashed var(--line);border-radius:var(--radius);background:var(--bg-soft);
  display:grid;place-items:center;gap:6px;padding:40px 20px;text-align:center;
  color:var(--ink-faint);font-size:13px;line-height:1.6;
}
.ph b{color:var(--ink-sub);font-size:14px;font-weight:600;}

/* ============================================================
   后台管理 admin.html 专属
   ============================================================ */
.adm{background:#F0F1F4;min-height:100vh;}
.adm-login{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(900px 500px at 70% 10%,rgba(31,78,121,.55) 0%,transparent 60%),#06121D;}
.adm-login-card{
  background:#fff;border-radius:20px;padding:44px 40px;width:100%;max-width:400px;
  box-shadow:0 30px 80px rgba(0,0,0,.35);animation:pop .4s var(--ease);
}
.adm-login-card .lg-logo{height:54px;width:auto;display:block;margin-bottom:20px;}
.adm-login-card h1{font-size:26px;color:var(--navy);margin-bottom:6px;}
.adm-login-card .sub{font-size:14px;color:var(--ink-sub);margin-bottom:24px;}

/* 登录方式切换 */
.adm-tabs{
  display:flex;gap:4px;padding:4px;border-radius:11px;background:var(--bg-soft);
  margin-bottom:22px;
}
.adm-tabs button{
  flex:1;border:0;background:transparent;cursor:pointer;font-family:inherit;
  font-size:13px;color:var(--ink-sub);padding:9px 4px;border-radius:8px;
  transition:all .22s var(--ease);letter-spacing:.02em;
}
.adm-tabs button:hover{color:var(--navy);}
.adm-tabs button.on{background:#fff;color:var(--navy);font-weight:600;box-shadow:0 2px 8px rgba(6,18,29,.10);}
.adm-tabpane{display:none;}
.adm-tabpane.on{display:block;animation:pop .3s var(--ease);}

.adm-hint{
  margin-top:20px;padding:12px 16px;border-radius:10px;background:var(--bg-soft);
  font-size:12.5px;color:var(--ink-sub);line-height:1.7;
}
.adm-shell{display:none;}
.adm-shell.on{display:block;}
.adm-top{
  position:sticky;top:0;z-index:60;background:var(--navy);color:#fff;height:60px;
  display:flex;align-items:center;gap:20px;padding:0 24px;
}
.adm-top .brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:16px;}
.adm-top .brand .bar-logo{height:24px;width:auto;display:block;}
.adm-top .brand .mark{
  width:26px;height:26px;border-radius:7px;display:grid;place-items:center;font-size:13px;
  background:linear-gradient(140deg,var(--gold) 0%,#E0C05A 130%);color:#3A2800;font-weight:700;
}
.adm-top .spacer{margin-left:auto;}
.adm-top .who{font-size:13px;color:rgba(255,255,255,.75);}
.adm-top button{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#fff;
  padding:7px 15px;border-radius:8px;font-size:13px;cursor:pointer;transition:.2s;
}
.adm-top button:hover{background:rgba(255,255,255,.22);}
.adm-body{display:grid;grid-template-columns:232px 1fr;min-height:calc(100vh - 60px);}
.adm-side{background:#fff;border-right:1px solid var(--line-soft);padding:18px 12px;}
.adm-side a{
  display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:10px;
  font-size:14px;color:var(--ink-sub);cursor:pointer;transition:.2s;margin-bottom:3px;
}
.adm-side a:hover{background:var(--bg-soft);color:var(--navy);}
.adm-side a.on{background:var(--navy);color:#fff;font-weight:500;}
.adm-side .grp{
  font-size:11.5px;letter-spacing:.08em;color:var(--ink-faint);text-transform:uppercase;
  padding:16px 14px 8px;
}
.adm-main{padding:28px 32px 60px;overflow-x:hidden;}
.adm-main h2{font-size:24px;color:var(--navy);margin-bottom:6px;}
.adm-main .desc{font-size:14px;color:var(--ink-sub);margin-bottom:24px;}
.adm-panel{display:none;}
.adm-panel.on{display:block;}
.adm-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:26px;}
.adm-stat{background:#fff;border-radius:14px;padding:22px;border:1px solid var(--line-soft);}
.adm-stat b{display:block;font-size:30px;color:var(--navy);font-weight:600;letter-spacing:-.02em;}
.adm-stat span{font-size:13px;color:var(--ink-sub);}
.adm-box{background:#fff;border-radius:14px;border:1px solid var(--line-soft);padding:24px;margin-bottom:22px;}
.adm-box > h3{font-size:16px;color:var(--navy);margin-bottom:18px;display:flex;align-items:center;gap:10px;}
.adm-box > h3 .sp{margin-left:auto;}
.adm-form{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.adm-form .full{grid-column:1/-1;}
.adm-form label{display:block;font-size:12.5px;font-weight:500;color:var(--ink-sub);margin-bottom:6px;}
.adm-form input,.adm-form select,.adm-form textarea{
  width:100%;padding:10px 13px;border:1px solid var(--line);border-radius:9px;font-size:14px;
  background:#fff;transition:.2s;
}
.adm-form input:focus,.adm-form select:focus,.adm-form textarea:focus{
  outline:0;border-color:var(--navy);box-shadow:0 0 0 3px rgba(31,78,121,.1);
}
.adm-form textarea{min-height:80px;resize:vertical;line-height:1.55;}
.adm-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px;}
.adm-btn{
  padding:10px 20px;border-radius:9px;border:1px solid transparent;font-size:14px;
  cursor:pointer;transition:.22s;font-weight:500;
}
.adm-btn.p{background:var(--navy);color:#fff;}
.adm-btn.p:hover{background:var(--navy-deep);}
.adm-btn.g{background:var(--gold);color:#fff;}
.adm-btn.g:hover{background:#9C7009;}
.adm-btn.o{background:#fff;border-color:var(--line);color:var(--ink-sub);}
.adm-btn.o:hover{border-color:var(--navy);color:var(--navy);}
.adm-btn.d{background:#fff;border-color:rgba(192,57,43,.35);color:var(--warn);}
.adm-btn.d:hover{background:var(--warn);color:#fff;border-color:var(--warn);}
.adm-btn.sm{padding:6px 13px;font-size:12.5px;border-radius:7px;}
.adm-list{display:grid;gap:12px;}
.adm-row{
  border:1px solid var(--line-soft);border-radius:12px;padding:16px 18px;background:#fff;
  display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;transition:.2s;
}
.adm-row:hover{border-color:var(--navy);box-shadow:0 6px 18px rgba(31,78,121,.07);}
.adm-row .t{font-size:15px;font-weight:500;color:var(--ink);margin-bottom:5px;}
.adm-row .m{font-size:12.5px;color:var(--ink-faint);display:flex;gap:12px;flex-wrap:wrap;}
.adm-row .ops{display:flex;gap:8px;flex-wrap:wrap;}
.badge{
  display:inline-block;padding:2px 10px;border-radius:var(--pill);font-size:11.5px;font-weight:500;
}
.badge.on{background:rgba(30,142,90,.12);color:var(--ok);}
.badge.off{background:rgba(134,134,139,.14);color:var(--ink-faint);}
.badge.new{background:rgba(184,134,11,.14);color:var(--gold);}
.adm-empty{padding:40px;text-align:center;color:var(--ink-faint);font-size:14px;background:#fff;border-radius:12px;border:1px dashed var(--line);}
.adm-toast{
  position:fixed;left:50%;bottom:40px;transform:translate(-50%,20px);z-index:999;
  background:var(--navy);color:#fff;padding:13px 26px;border-radius:var(--pill);font-size:14px;
  opacity:0;pointer-events:none;transition:.35s var(--ease);box-shadow:0 14px 36px rgba(0,0,0,.24);
}
.adm-toast.on{opacity:1;transform:translate(-50%,0);}
.adm-code{
  background:#0D1B26;color:#8FDFB6;border-radius:12px;padding:20px;font-size:12.5px;
  font-family:ui-monospace,Menlo,Consolas,monospace;line-height:1.65;
  max-height:340px;overflow:auto;white-space:pre-wrap;word-break:break-all;
}
.adm-tip{
  background:rgba(31,78,121,.06);border-left:3px solid var(--navy);border-radius:0 10px 10px 0;
  padding:14px 18px;font-size:13.5px;color:var(--ink-sub);line-height:1.7;margin-bottom:20px;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1024px){
  :root{--sec-y:92px;}
  .g4{grid-template-columns:repeat(2,1fr);}
  .plans{grid-template-columns:1fr;max-width:520px;margin:0 auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .adm-body{grid-template-columns:1fr;}
  .adm-side{display:flex;gap:6px;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line-soft);padding:12px;}
  .adm-side .grp{display:none;}
  .adm-side a{white-space:nowrap;margin-bottom:0;}
  .adm-main{padding:22px 18px 50px;}
  .news-item{grid-template-columns:1fr;gap:10px;}
  .news-date{order:-1;}
}
@media (max-width:768px){
  :root{--sec-y:72px;}
  body{font-size:16px;}
  .nav-menu{display:none;}
  .nav-toggle{display:block;margin-left:auto;}
  .nav.open .nav-menu{
    display:flex;flex-direction:column;align-items:stretch;position:absolute;
    top:var(--nav-h);left:0;right:0;background:rgba(0,0,0,.96);padding:14px 18px 20px;gap:2px;
  }
  .nav.open .nav-menu a{padding:12px 8px;font-size:15px;}
  .nav.open .nav-cta{text-align:center;padding:11px;}
  .g2,.g3,.g4{grid-template-columns:1fr;}
  .hero{min-height:auto;padding:calc(var(--nav-h) + 64px) 0 64px;}
  .hero-actions .btn{width:100%;}
  .feature{padding:44px 26px;border-radius:20px;}
  .card{padding:26px 22px;}
  .tl-item{grid-template-columns:1fr;gap:8px;}
  .steps{grid-template-columns:1fr;}
  .step{border-left:0;border-top:2px solid var(--line-soft);padding:20px 0;}
  .step:first-child{border-top-color:var(--navy);}
  .footer-grid{grid-template-columns:1fr;}
  .adm-form{grid-template-columns:1fr;}
  .float-cta{right:14px;bottom:16px;}
  .float-btn{padding:11px 17px;font-size:13.5px;}
  .news-item{padding:20px;}
}

/* ============================================================
   网络诊断模块（diagnostic.html）
   ============================================================ */
.dg-req{color:var(--warn);font-style:normal;margin-left:3px;font-weight:700;}

/* 顶部进度 */
.dg-top{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid var(--line-soft);padding:12px 0 10px;
}
.dg-top-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.dg-pills{display:flex;gap:6px;flex-wrap:wrap;}
.dg-pill{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;
  font-size:12.5px;color:var(--ink-sub);background:var(--bg-soft);border:1px solid transparent;
  transition:all .22s var(--ease);white-space:nowrap;
}
.dg-pill b{
  width:18px;height:18px;border-radius:50%;background:#fff;color:var(--ink-faint);
  display:grid;place-items:center;font-size:11px;font-weight:600;border:1px solid var(--line-soft);
}
.dg-pill.on{background:var(--navy);color:#fff;border-color:var(--navy);}
.dg-pill.on b{background:rgba(255,255,255,.18);color:#fff;border-color:transparent;}
.dg-pill.done{color:var(--navy);background:#EEF3F9;}
.dg-pill.done b{background:var(--navy);color:#fff;border-color:var(--navy);}
.dg-meter{font-size:13px;color:var(--navy);font-weight:600;letter-spacing:.02em;}
.dg-track{height:3px;background:var(--bg-mute);border-radius:999px;margin-top:10px;overflow:hidden;}
.dg-track i{display:block;height:100%;width:6%;background:linear-gradient(90deg,var(--navy),var(--gold));border-radius:999px;transition:width .35s var(--ease);}
.dg-draft{font-size:12px;color:var(--ink-faint);margin-top:7px;}
.dg-draft a{color:var(--link);text-decoration:underline;}

.dg-sec{padding-top:40px;}
.dg-step{display:none;animation:fadeUp .35s var(--ease);}
.dg-step.on{display:block;}
.dg-step-head{display:flex;gap:16px;align-items:flex-start;margin-bottom:28px;}
.dg-step-icon{
  flex:0 0 46px;width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(150deg,#EEF3F9,#FBF7EC);font-size:21px;border:1px solid var(--line-soft);
}
.dg-step-head h2{font-size:23px;color:var(--navy);letter-spacing:-.01em;margin-bottom:5px;}
.dg-step-head p{font-size:13.5px;color:var(--ink-sub);line-height:1.65;max-width:640px;}

.dg-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 24px;}
.dg-field{display:flex;flex-direction:column;gap:6px;}
.dg-field.wide{grid-column:1 / -1;}
.dg-lab{font-size:13px;color:var(--ink);font-weight:600;letter-spacing:.01em;}
.dg-input{
  width:100%;font-family:inherit;font-size:14.5px;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:11px 13px;
  transition:border-color .18s,box-shadow .18s;line-height:1.5;
}
.dg-input::placeholder{color:#A9A9AE;}
.dg-input:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(31,78,121,.10);}
textarea.dg-input{resize:vertical;min-height:92px;}
.dg-field.bad .dg-input,.dg-field.bad .dg-radios,.dg-field.bad .dg-upload{border-color:var(--warn);}
.dg-tip{font-size:12px;color:var(--ink-faint);line-height:1.55;}
.dg-err{font-size:12px;color:var(--warn);min-height:0;line-height:1.5;}
.dg-err:empty{display:none;}
.dg-count{text-align:right;font-size:11.5px;color:var(--ink-faint);margin-top:-2px;}

.dg-radios{display:flex;gap:10px;}
.dg-radio{
  font-family:inherit;font-size:14px;color:var(--ink-sub);background:#fff;
  border:1px solid var(--line);border-radius:10px;padding:10px 22px;cursor:pointer;
  transition:all .18s var(--ease);
}
.dg-radio:hover{border-color:var(--navy);color:var(--navy);}
.dg-radio.on{background:var(--navy);border-color:var(--navy);color:#fff;}

.dg-upload{
  border:1.5px dashed var(--line);border-radius:12px;padding:16px;background:var(--bg-soft);
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
}
.dg-up-btn{
  font-family:inherit;font-size:13.5px;color:var(--navy);background:#fff;border:1px solid var(--line);
  border-radius:9px;padding:9px 16px;cursor:pointer;transition:all .18s;
}
.dg-up-btn:hover{border-color:var(--navy);box-shadow:0 2px 10px rgba(31,78,121,.08);}
.dg-up-hint{font-size:12px;color:var(--ink-faint);}
.dg-thumbs{display:flex;gap:10px;flex-wrap:wrap;width:100%;}
.dg-thumb{position:relative;width:86px;height:86px;border-radius:9px;overflow:hidden;border:1px solid var(--line-soft);background:#fff;}
.dg-thumb img{width:100%;height:100%;object-fit:cover;display:block;}
.dg-thumb-x{
  position:absolute;top:2px;right:2px;width:20px;height:20px;border-radius:50%;border:none;
  background:rgba(0,0,0,.62);color:#fff;font-size:13px;line-height:1;cursor:pointer;display:grid;place-items:center;
}

.dg-step-foot{display:flex;justify-content:space-between;align-items:center;margin-top:34px;padding-top:22px;border-top:1px solid var(--line-soft);}

/* 预览 */
.dg-preview{margin-top:4px;}
.dg-sum{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:26px;}
.dg-sum-item{background:var(--bg-soft);border-radius:12px;padding:16px 18px;text-align:center;}
.dg-sum-item b{display:block;font-size:26px;color:var(--navy);letter-spacing:-.02em;}
.dg-sum-item span{font-size:12.5px;color:var(--ink-sub);}
.dg-pv-block{border:1px solid var(--line-soft);border-radius:14px;padding:20px 22px;margin-bottom:16px;background:#fff;}
.dg-pv-block h3{
  font-size:14px;color:var(--navy);margin-bottom:12px;padding-left:10px;
  border-left:3px solid var(--gold);line-height:1.2;
}
.dg-pv-block dl{display:grid;grid-template-columns:180px 1fr;gap:0;}
.dg-pv-row{display:contents;}
.dg-pv-row dt{font-size:12.5px;color:var(--ink-faint);padding:7px 0;border-top:1px solid var(--line-soft);}
.dg-pv-row dd{font-size:13.5px;color:var(--ink);padding:7px 0;border-top:1px solid var(--line-soft);line-height:1.6;word-break:break-word;}
.dg-pv-row.wide{display:block;}
.dg-pv-row.wide dt{border-top:1px solid var(--line-soft);}
.dg-pv-row.wide dd{border-top:none;padding-top:2px;}
.dg-pv-imgs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:6px;}
.dg-pv-imgs img{width:92px;height:92px;object-fit:cover;border-radius:8px;border:1px solid var(--line-soft);}
.dg-pv-note{font-size:12px;color:var(--ink-faint);line-height:1.7;margin-top:8px;}

.dg-submit-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:26px;}
.dg-submit-actions{display:flex;gap:12px;}
.dg-msg{font-size:13.5px;line-height:1.7;margin-top:18px;padding:14px 16px;border-radius:11px;display:none;}
.dg-msg.ok,.dg-msg.err,.dg-msg.busy{display:block;}
.dg-msg.ok{background:#EDF7F1;color:var(--ok);border:1px solid #CBE8D6;}
.dg-msg.err{background:#FDF1EF;color:var(--warn);border:1px solid #F3D3CD;}
.dg-msg.busy{background:var(--bg-soft);color:var(--ink-sub);border:1px solid var(--line-soft);}

/* PDF 打印版式（离屏渲染，760px 宽） */
.dg-print{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;color:#1D1D1F;padding:34px 34px 26px;}
.dgp-head{border-bottom:2px solid #1F4E79;padding-bottom:16px;margin-bottom:22px;}
.dgp-brand img{height:38px;width:auto;display:block;margin-bottom:14px;}
.dgp-title{font-size:21px;font-weight:700;color:#1F4E79;letter-spacing:.01em;}
.dgp-sub{font-size:12px;color:#B8860B;letter-spacing:.06em;margin-top:5px;}
.dgp-meta{font-size:11.5px;color:#86868B;margin-top:8px;}
.dgp-sec{margin-bottom:20px;page-break-inside:auto;}
.dgp-sec h2{
  font-size:13.5px;color:#1F4E79;margin:0 0 8px;padding-bottom:5px;border-bottom:1px solid #D2D2D7;
}
.dgp-sec h2 span{
  display:inline-grid;place-items:center;width:17px;height:17px;border-radius:50%;background:#1F4E79;
  color:#fff;font-size:10.5px;margin-right:7px;vertical-align:1px;
}
.dgp-sec table{width:100%;border-collapse:collapse;table-layout:fixed;}
.dgp-sec th{
  width:132px;text-align:left;vertical-align:top;font-size:11.5px;font-weight:600;color:#6E6E73;
  padding:5px 8px 5px 0;border-bottom:1px solid #EFEFF2;
}
.dgp-sec td{
  font-size:11.5px;color:#1D1D1F;line-height:1.65;padding:5px 0;border-bottom:1px solid #EFEFF2;
  word-break:break-word;
}
.dgp-imgs img{width:96px;height:96px;object-fit:cover;border-radius:5px;margin:3px 5px 3px 0;}
.dgp-foot{border-top:1px solid #E8E8ED;padding-top:10px;margin-top:18px;font-size:10.5px;color:#86868B;text-align:center;}

@media (max-width:900px){
  .dg-grid{grid-template-columns:1fr;gap:16px;}
  .dg-pv-block dl{grid-template-columns:1fr;}
  .dg-pv-row{display:block;}
  .dg-pv-row dt{padding:8px 0 0;border-top:1px solid var(--line-soft);}
  .dg-pv-row dd{padding:2px 0 8px;border-top:none;}
  .dg-sum{grid-template-columns:repeat(3,1fr);gap:8px;}
  .dg-sum-item{padding:12px 8px;}
  .dg-sum-item b{font-size:21px;}
  .dg-pill{font-size:11.5px;padding:5px 9px;}
  .dg-step-head h2{font-size:20px;}
  .dg-submit-bar{flex-direction:column-reverse;align-items:stretch;}
  .dg-submit-actions{flex-direction:column;}
  .dg-submit-actions .btn{width:100%;text-align:center;}
}

/* ---------- 后台：诊断详情弹层 ---------- */
.adm-modal[hidden]{display:none;}
.adm-modal{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;padding:24px;}
.adm-modal-mask{position:absolute;inset:0;background:rgba(0,0,0,.55);}
.adm-modal-card{
  position:relative;background:#fff;border-radius:16px;width:100%;max-width:880px;max-height:86vh;
  display:flex;flex-direction:column;overflow:hidden;
  box-shadow:0 30px 80px rgba(0,0,0,.28);animation:fadeUp .25s var(--ease);
}
.adm-modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--line-soft);}
.adm-modal-head h3{font-size:16px;color:var(--navy);letter-spacing:.01em;}
.adm-modal-x{border:none;background:transparent;font-size:26px;line-height:1;color:var(--ink-faint);cursor:pointer;padding:0 4px;}
.adm-modal-x:hover{color:var(--ink);}
.adm-modal-body{padding:20px 22px 28px;overflow:auto;}
.adm-dg-meta{font-size:12.5px;color:var(--ink-sub);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line-soft);line-height:1.7;}
.adm-dg-meta a{color:var(--link);text-decoration:underline;}
.adm-dg-sec{margin-bottom:18px;}
.adm-dg-sec h4{font-size:13px;color:var(--navy);margin-bottom:8px;padding-left:9px;border-left:3px solid var(--gold);line-height:1.2;}
.adm-dg-sec dl{display:grid;grid-template-columns:150px 1fr;}
.adm-dg-row{display:contents;}
.adm-dg-row dt{font-size:12.5px;color:var(--ink-faint);padding:6px 0;border-top:1px solid var(--line-soft);}
.adm-dg-row dd{font-size:13px;color:var(--ink);padding:6px 0;border-top:1px solid var(--line-soft);line-height:1.65;word-break:break-word;}
.adm-dg-row.wide{display:block;}
.adm-dg-imgs{display:flex;gap:8px;flex-wrap:wrap;padding-top:4px;}
.adm-dg-imgs img{width:88px;height:88px;object-fit:cover;border-radius:8px;border:1px solid var(--line-soft);}
@media (max-width:760px){
  .adm-modal{padding:12px;}
  .adm-dg-sec dl{grid-template-columns:1fr;}
  .adm-dg-row{display:block;}
  .adm-dg-row dt{padding:8px 0 0;}
  .adm-dg-row dd{border-top:none;padding:2px 0 8px;}
}

/* ============================================================
   文章详情页（news/xxx.html）
   ============================================================ */
.art-head{
  background:linear-gradient(160deg,var(--navy-ink) 0%,var(--navy-deep) 55%,var(--navy) 100%);
  color:var(--ink-light);
  padding:150px 0 72px;
}
.art-head .crumb{font-size:13px;color:rgba(245,245,247,.6);margin-bottom:26px;}
.art-head .crumb a{color:rgba(245,245,247,.85);}
.art-head .crumb a:hover{color:var(--gold-light);}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:22px;font-size:13px;color:rgba(245,245,247,.6);}
.art-cat{
  display:inline-block;padding:5px 13px;border-radius:999px;
  background:rgba(184,134,11,.18);border:1px solid rgba(212,175,55,.45);
  color:var(--gold-light);font-size:12.5px;font-weight:600;letter-spacing:.04em;
}
.art-head h1{
  font-size:clamp(28px,4.2vw,50px);line-height:1.28;font-weight:600;
  letter-spacing:-.015em;max-width:900px;margin-bottom:24px;
}
.art-summary{
  font-size:clamp(15px,1.4vw,18px);line-height:1.75;
  color:rgba(245,245,247,.75);max-width:780px;
  padding-left:18px;border-left:3px solid var(--gold);
}

/* 正文 */
.art-body{padding:64px 0 24px;background:var(--bg);}
.art-body .wrap{max-width:820px;}
.prose{font-size:16.5px;line-height:1.95;color:var(--ink);}
.prose>*+*{margin-top:24px;}
.prose p{margin:0;}
.prose h2{
  font-size:clamp(21px,2.4vw,27px);line-height:1.45;font-weight:600;
  color:var(--navy);margin:52px 0 20px;padding-left:15px;
  border-left:4px solid var(--gold);
}
.prose h3{
  font-size:clamp(17px,1.9vw,20px);line-height:1.55;font-weight:600;
  color:var(--navy-deep);margin:36px 0 14px;
}
.prose ul,.prose ol{padding-left:1.5em;display:grid;gap:10px;}
.prose li{line-height:1.85;}
.prose li::marker{color:var(--gold);font-weight:600;}
.prose strong{color:var(--navy);font-weight:600;}
.prose a{color:var(--navy);border-bottom:1px solid rgba(31,78,121,.3);}
.prose a:hover{color:var(--gold);border-bottom-color:var(--gold);}
.prose blockquote{
  margin:32px 0;padding:22px 26px;background:var(--bg-soft);
  border-left:4px solid var(--gold);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--navy-deep);font-size:16px;line-height:1.85;
}
.prose blockquote p{margin:0;}
.prose img{
  display:block;width:100%;max-width:100%;height:auto;
  border-radius:var(--radius-sm);margin:32px auto 10px;
}
.prose figure{margin:32px 0;}
.prose figcaption{
  text-align:center;font-size:13px;color:var(--ink-faint);
  margin-top:10px;line-height:1.6;
}
.prose hr{border:none;border-top:1px solid var(--line-soft);margin:44px 0;}
.prose .art-src{
  font-size:13px;color:var(--ink-faint);line-height:1.7;
  padding-top:14px;margin-top:14px;border-top:1px dashed var(--line);
}

/* 文末 */
.art-foot{padding:0 0 80px;background:var(--bg);}
.art-foot .wrap{max-width:820px;}
.art-tags{display:flex;flex-wrap:wrap;gap:9px;margin:44px 0 36px;}
.art-tag{
  font-size:12.5px;padding:6px 13px;border-radius:999px;
  background:var(--bg-soft);color:var(--ink-sub);border:1px solid var(--line-soft);
}
.art-cta{
  background:linear-gradient(150deg,var(--navy-ink),var(--navy));
  border-radius:var(--radius);padding:38px 36px;color:var(--ink-light);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.art-cta h3{font-size:21px;font-weight:600;margin-bottom:8px;color:#fff;}
.art-cta p{font-size:14.5px;color:rgba(245,245,247,.7);line-height:1.65;margin:0;}
.art-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:36px;
}
.art-nav a{
  display:block;padding:20px 22px;border:1px solid var(--line-soft);
  border-radius:var(--radius-sm);transition:border-color .25s,background .25s;
}
.art-nav a:hover{border-color:var(--gold);background:var(--bg-soft);}
.art-nav .dir{font-size:12px;color:var(--ink-faint);margin-bottom:7px;}
.art-nav .tt{font-size:14.5px;color:var(--ink);line-height:1.55;font-weight:500;}
.art-nav .next{text-align:right;}

@media (max-width:760px){
  .art-head{padding:120px 0 52px;}
  .art-body{padding:44px 0 16px;}
  .prose{font-size:16px;line-height:1.9;}
  .prose h2{margin:40px 0 16px;}
  .art-nav{grid-template-columns:1fr;}
  .art-nav .next{text-align:left;}
  .art-cta{padding:28px 22px;}
}